./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-wmm/mix022_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread-wmm/mix022_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6a39929e45dd639f23e29d64b9f64559e1eb8cd260c4b1939e3197ae6524cdca --- Real Ultimate output --- This is Ultimate 0.2.2-839c364b5d67a0f615c82cb70ab247790648d4a9-839c364 [2021-12-14 16:33:25,242 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-14 16:33:25,243 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-14 16:33:25,274 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-14 16:33:25,275 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-14 16:33:25,278 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-14 16:33:25,280 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-14 16:33:25,285 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-14 16:33:25,287 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-14 16:33:25,292 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-14 16:33:25,293 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-14 16:33:25,293 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-14 16:33:25,294 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-14 16:33:25,295 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-14 16:33:25,297 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-14 16:33:25,298 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-14 16:33:25,301 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-14 16:33:25,301 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-14 16:33:25,302 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-14 16:33:25,306 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-14 16:33:25,309 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-14 16:33:25,310 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-14 16:33:25,311 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-14 16:33:25,312 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-14 16:33:25,314 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-14 16:33:25,315 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-14 16:33:25,315 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-14 16:33:25,316 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-14 16:33:25,317 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-14 16:33:25,318 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-14 16:33:25,318 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-14 16:33:25,319 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-14 16:33:25,320 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-14 16:33:25,321 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-14 16:33:25,322 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-14 16:33:25,322 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-14 16:33:25,322 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-14 16:33:25,322 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-14 16:33:25,323 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-14 16:33:25,323 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-14 16:33:25,323 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-14 16:33:25,324 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-14 16:33:25,342 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-14 16:33:25,344 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-14 16:33:25,351 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-14 16:33:25,352 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-14 16:33:25,352 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-14 16:33:25,352 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-14 16:33:25,353 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-14 16:33:25,353 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-14 16:33:25,353 INFO L138 SettingsManager]: * Use SBE=true [2021-12-14 16:33:25,353 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-14 16:33:25,354 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-14 16:33:25,354 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-14 16:33:25,354 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-14 16:33:25,355 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-14 16:33:25,355 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-14 16:33:25,355 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-14 16:33:25,355 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-14 16:33:25,355 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-14 16:33:25,355 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-14 16:33:25,356 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-14 16:33:25,356 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-14 16:33:25,356 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-14 16:33:25,356 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-14 16:33:25,356 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-14 16:33:25,356 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 16:33:25,357 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-14 16:33:25,357 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-14 16:33:25,357 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-14 16:33:25,357 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-14 16:33:25,357 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-14 16:33:25,357 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-14 16:33:25,357 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-14 16:33:25,358 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-14 16:33:25,358 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-14 16:33:25,358 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6a39929e45dd639f23e29d64b9f64559e1eb8cd260c4b1939e3197ae6524cdca [2021-12-14 16:33:25,536 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-14 16:33:25,556 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-14 16:33:25,558 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-14 16:33:25,559 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-14 16:33:25,560 INFO L275 PluginConnector]: CDTParser initialized [2021-12-14 16:33:25,561 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/mix022_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i [2021-12-14 16:33:25,611 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1a83c2e44/5462e33f12bc4e48a6a9237132598bed/FLAGa5baff51d [2021-12-14 16:33:26,048 INFO L306 CDTParser]: Found 1 translation units. [2021-12-14 16:33:26,049 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix022_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i [2021-12-14 16:33:26,065 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1a83c2e44/5462e33f12bc4e48a6a9237132598bed/FLAGa5baff51d [2021-12-14 16:33:26,085 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1a83c2e44/5462e33f12bc4e48a6a9237132598bed [2021-12-14 16:33:26,088 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-14 16:33:26,089 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-14 16:33:26,091 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-14 16:33:26,091 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-14 16:33:26,093 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-14 16:33:26,094 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 04:33:26" (1/1) ... [2021-12-14 16:33:26,095 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16ec12a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:33:26, skipping insertion in model container [2021-12-14 16:33:26,095 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 04:33:26" (1/1) ... [2021-12-14 16:33:26,100 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-14 16:33:26,133 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-14 16:33:26,287 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix022_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i[995,1008] [2021-12-14 16:33:26,389 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 16:33:26,395 INFO L203 MainTranslator]: Completed pre-run [2021-12-14 16:33:26,404 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix022_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i[995,1008] [2021-12-14 16:33:26,433 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 16:33:26,456 INFO L208 MainTranslator]: Completed translation [2021-12-14 16:33:26,456 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:33:26 WrapperNode [2021-12-14 16:33:26,456 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-14 16:33:26,457 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-14 16:33:26,457 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-14 16:33:26,458 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-14 16:33:26,463 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:33:26" (1/1) ... [2021-12-14 16:33:26,485 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:33:26" (1/1) ... [2021-12-14 16:33:26,525 INFO L137 Inliner]: procedures = 175, calls = 43, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 161 [2021-12-14 16:33:26,526 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-14 16:33:26,526 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-14 16:33:26,526 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-14 16:33:26,526 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-14 16:33:26,533 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:33:26" (1/1) ... [2021-12-14 16:33:26,533 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:33:26" (1/1) ... [2021-12-14 16:33:26,536 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:33:26" (1/1) ... [2021-12-14 16:33:26,537 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:33:26" (1/1) ... [2021-12-14 16:33:26,542 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:33:26" (1/1) ... [2021-12-14 16:33:26,545 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:33:26" (1/1) ... [2021-12-14 16:33:26,547 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:33:26" (1/1) ... [2021-12-14 16:33:26,550 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-14 16:33:26,551 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-14 16:33:26,551 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-14 16:33:26,551 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-14 16:33:26,552 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:33:26" (1/1) ... [2021-12-14 16:33:26,557 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 16:33:26,565 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 16:33:26,575 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-14 16:33:26,586 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-14 16:33:26,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-14 16:33:26,623 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-12-14 16:33:26,623 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-14 16:33:26,623 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-14 16:33:26,624 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-14 16:33:26,624 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-12-14 16:33:26,624 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-12-14 16:33:26,624 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-12-14 16:33:26,624 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-12-14 16:33:26,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-14 16:33:26,624 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-12-14 16:33:26,624 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-14 16:33:26,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-14 16:33:26,626 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-12-14 16:33:26,730 INFO L236 CfgBuilder]: Building ICFG [2021-12-14 16:33:26,731 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-14 16:33:27,065 INFO L277 CfgBuilder]: Performing block encoding [2021-12-14 16:33:27,299 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-14 16:33:27,300 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-14 16:33:27,301 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 04:33:27 BoogieIcfgContainer [2021-12-14 16:33:27,301 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-14 16:33:27,302 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-14 16:33:27,303 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-14 16:33:27,305 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-14 16:33:27,305 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 04:33:26" (1/3) ... [2021-12-14 16:33:27,306 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d2e756c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 04:33:27, skipping insertion in model container [2021-12-14 16:33:27,306 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:33:26" (2/3) ... [2021-12-14 16:33:27,306 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d2e756c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 04:33:27, skipping insertion in model container [2021-12-14 16:33:27,306 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 04:33:27" (3/3) ... [2021-12-14 16:33:27,307 INFO L111 eAbstractionObserver]: Analyzing ICFG mix022_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i [2021-12-14 16:33:27,311 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-12-14 16:33:27,311 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-14 16:33:27,311 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-12-14 16:33:27,312 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-12-14 16:33:27,340 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:27,341 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:27,341 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:27,341 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:27,341 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:27,341 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:27,341 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:27,342 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:27,342 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:27,342 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:27,343 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:27,343 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:27,343 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:27,343 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:27,343 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:27,344 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:27,344 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:27,344 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:27,344 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:27,344 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:27,345 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:27,345 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:27,345 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:27,346 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:27,346 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:27,346 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:27,346 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:27,346 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:27,347 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:27,347 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:27,347 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:27,347 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:27,347 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:27,348 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:27,348 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:27,348 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:27,348 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:27,348 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:27,348 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:27,348 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:27,349 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:27,349 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:27,349 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:27,349 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:27,349 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:27,349 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:27,350 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:27,350 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:27,350 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:27,350 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:27,350 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:27,350 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:27,350 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:27,351 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:27,351 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:27,351 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:27,351 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:27,351 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:27,351 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:27,351 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:27,351 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:27,352 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:27,352 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:27,352 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:27,352 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:27,352 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:27,352 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:27,352 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:27,352 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:27,353 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:27,353 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:27,353 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:27,353 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:27,353 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:27,353 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:27,354 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:27,354 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:27,354 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:27,354 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:27,354 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:27,356 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:27,356 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:27,358 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:27,358 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:27,358 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:27,359 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:27,359 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:27,359 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:27,359 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:27,359 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:27,359 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:27,360 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:27,360 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:27,360 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:27,360 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:27,360 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:27,360 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:27,360 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:27,361 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:27,361 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:27,361 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:27,361 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:27,361 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:27,361 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:27,361 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:27,361 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:27,362 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:27,362 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:27,362 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:27,362 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:27,362 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:27,362 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:27,362 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:27,362 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:27,363 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:27,363 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:27,363 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:27,363 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:27,364 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:27,364 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:27,364 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:27,365 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:27,365 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:27,365 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:27,365 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:27,365 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:27,366 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:27,366 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:27,367 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:27,367 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:27,367 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:27,368 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:27,369 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:27,369 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:27,369 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:27,369 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:27,373 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:27,373 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:27,373 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:27,373 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:27,373 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:27,374 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:27,374 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:27,374 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:27,374 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:27,374 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:27,374 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:27,374 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:27,374 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:27,375 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:27,375 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:27,375 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:27,376 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:27,376 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:27,376 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:27,376 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:27,376 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:27,377 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:27,377 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:27,377 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:27,377 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:27,377 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:27,377 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:27,377 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:27,377 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:27,378 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:27,378 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:27,378 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:27,378 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:27,379 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:27,379 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:27,379 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:27,379 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:27,379 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:27,379 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:27,380 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:27,380 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:27,380 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:27,380 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:27,380 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:27,380 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:33:27,381 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-12-14 16:33:27,409 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-14 16:33:27,414 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-14 16:33:27,414 INFO L340 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-12-14 16:33:27,421 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 101 places, 96 transitions, 202 flow [2021-12-14 16:33:27,442 INFO L129 PetriNetUnfolder]: 2/94 cut-off events. [2021-12-14 16:33:27,443 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-12-14 16:33:27,445 INFO L84 FinitePrefix]: Finished finitePrefix Result has 101 conditions, 94 events. 2/94 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 41 event pairs, 0 based on Foata normal form. 0/90 useless extension candidates. Maximal degree in co-relation 56. Up to 2 conditions per place. [2021-12-14 16:33:27,445 INFO L82 GeneralOperation]: Start removeDead. Operand has 101 places, 96 transitions, 202 flow [2021-12-14 16:33:27,448 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 99 places, 94 transitions, 194 flow [2021-12-14 16:33:27,453 INFO L129 PetriNetUnfolder]: 0/43 cut-off events. [2021-12-14 16:33:27,453 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-12-14 16:33:27,453 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-14 16:33:27,454 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 16:33:27,454 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2021-12-14 16:33:27,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 16:33:27,458 INFO L85 PathProgramCache]: Analyzing trace with hash 715770376, now seen corresponding path program 1 times [2021-12-14 16:33:27,464 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 16:33:27,464 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [690055192] [2021-12-14 16:33:27,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 16:33:27,465 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 16:33:27,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 16:33:27,634 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 16:33:27,634 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 16:33:27,634 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [690055192] [2021-12-14 16:33:27,635 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [690055192] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 16:33:27,635 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 16:33:27,635 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-14 16:33:27,636 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2139179231] [2021-12-14 16:33:27,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 16:33:27,642 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-14 16:33:27,642 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 16:33:27,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-14 16:33:27,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-14 16:33:27,661 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 84 out of 96 [2021-12-14 16:33:27,664 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 99 places, 94 transitions, 194 flow. Second operand has 3 states, 3 states have (on average 85.0) internal successors, (255), 3 states have internal predecessors, (255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:33:27,664 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-14 16:33:27,664 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 84 of 96 [2021-12-14 16:33:27,665 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-14 16:33:27,713 INFO L129 PetriNetUnfolder]: 18/149 cut-off events. [2021-12-14 16:33:27,713 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-12-14 16:33:27,714 INFO L84 FinitePrefix]: Finished finitePrefix Result has 201 conditions, 149 events. 18/149 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 362 event pairs, 2 based on Foata normal form. 8/147 useless extension candidates. Maximal degree in co-relation 153. Up to 31 conditions per place. [2021-12-14 16:33:27,715 INFO L132 encePairwiseOnDemand]: 91/96 looper letters, 10 selfloop transitions, 2 changer transitions 0/94 dead transitions. [2021-12-14 16:33:27,715 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 99 places, 94 transitions, 221 flow [2021-12-14 16:33:27,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-14 16:33:27,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-12-14 16:33:27,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 269 transitions. [2021-12-14 16:33:27,725 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9340277777777778 [2021-12-14 16:33:27,725 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 269 transitions. [2021-12-14 16:33:27,725 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 269 transitions. [2021-12-14 16:33:27,726 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-14 16:33:27,728 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 269 transitions. [2021-12-14 16:33:27,730 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 89.66666666666667) internal successors, (269), 3 states have internal predecessors, (269), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:33:27,734 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 96.0) internal successors, (384), 4 states have internal predecessors, (384), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:33:27,734 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 96.0) internal successors, (384), 4 states have internal predecessors, (384), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:33:27,736 INFO L186 Difference]: Start difference. First operand has 99 places, 94 transitions, 194 flow. Second operand 3 states and 269 transitions. [2021-12-14 16:33:27,736 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 99 places, 94 transitions, 221 flow [2021-12-14 16:33:27,738 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 97 places, 94 transitions, 218 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-12-14 16:33:27,740 INFO L242 Difference]: Finished difference. Result has 97 places, 90 transitions, 188 flow [2021-12-14 16:33:27,741 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=96, PETRI_DIFFERENCE_MINUEND_FLOW=184, PETRI_DIFFERENCE_MINUEND_PLACES=95, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=90, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=88, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=188, PETRI_PLACES=97, PETRI_TRANSITIONS=90} [2021-12-14 16:33:27,746 INFO L334 CegarLoopForPetriNet]: 99 programPoint places, -2 predicate places. [2021-12-14 16:33:27,746 INFO L470 AbstractCegarLoop]: Abstraction has has 97 places, 90 transitions, 188 flow [2021-12-14 16:33:27,747 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 85.0) internal successors, (255), 3 states have internal predecessors, (255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:33:27,747 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-14 16:33:27,747 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 16:33:27,747 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-14 16:33:27,747 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2021-12-14 16:33:27,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 16:33:27,748 INFO L85 PathProgramCache]: Analyzing trace with hash -1239328339, now seen corresponding path program 1 times [2021-12-14 16:33:27,748 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 16:33:27,748 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1721157498] [2021-12-14 16:33:27,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 16:33:27,749 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 16:33:27,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 16:33:27,941 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 16:33:27,941 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 16:33:27,941 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1721157498] [2021-12-14 16:33:27,942 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1721157498] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 16:33:27,942 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 16:33:27,942 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-14 16:33:27,942 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1487239064] [2021-12-14 16:33:27,942 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 16:33:27,944 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-14 16:33:27,944 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 16:33:27,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-14 16:33:27,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-12-14 16:33:27,956 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 72 out of 96 [2021-12-14 16:33:27,957 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 97 places, 90 transitions, 188 flow. Second operand has 7 states, 7 states have (on average 73.71428571428571) internal successors, (516), 7 states have internal predecessors, (516), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:33:27,957 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-14 16:33:27,957 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 72 of 96 [2021-12-14 16:33:27,957 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-14 16:33:28,448 INFO L129 PetriNetUnfolder]: 370/1161 cut-off events. [2021-12-14 16:33:28,448 INFO L130 PetriNetUnfolder]: For 54/54 co-relation queries the response was YES. [2021-12-14 16:33:28,453 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1897 conditions, 1161 events. 370/1161 cut-off events. For 54/54 co-relation queries the response was YES. Maximal size of possible extension queue 67. Compared 7738 event pairs, 67 based on Foata normal form. 0/1116 useless extension candidates. Maximal degree in co-relation 1846. Up to 221 conditions per place. [2021-12-14 16:33:28,458 INFO L132 encePairwiseOnDemand]: 88/96 looper letters, 27 selfloop transitions, 4 changer transitions 64/156 dead transitions. [2021-12-14 16:33:28,458 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 109 places, 156 transitions, 506 flow [2021-12-14 16:33:28,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-12-14 16:33:28,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-12-14 16:33:28,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1025 transitions. [2021-12-14 16:33:28,464 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8213141025641025 [2021-12-14 16:33:28,464 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1025 transitions. [2021-12-14 16:33:28,465 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1025 transitions. [2021-12-14 16:33:28,466 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-14 16:33:28,466 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1025 transitions. [2021-12-14 16:33:28,468 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 78.84615384615384) internal successors, (1025), 13 states have internal predecessors, (1025), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:33:28,471 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 96.0) internal successors, (1344), 14 states have internal predecessors, (1344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:33:28,472 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 96.0) internal successors, (1344), 14 states have internal predecessors, (1344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:33:28,472 INFO L186 Difference]: Start difference. First operand has 97 places, 90 transitions, 188 flow. Second operand 13 states and 1025 transitions. [2021-12-14 16:33:28,472 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 109 places, 156 transitions, 506 flow [2021-12-14 16:33:28,475 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 107 places, 156 transitions, 488 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-12-14 16:33:28,477 INFO L242 Difference]: Finished difference. Result has 119 places, 82 transitions, 222 flow [2021-12-14 16:33:28,477 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=96, PETRI_DIFFERENCE_MINUEND_FLOW=184, PETRI_DIFFERENCE_MINUEND_PLACES=95, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=90, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=86, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=222, PETRI_PLACES=119, PETRI_TRANSITIONS=82} [2021-12-14 16:33:28,478 INFO L334 CegarLoopForPetriNet]: 99 programPoint places, 20 predicate places. [2021-12-14 16:33:28,478 INFO L470 AbstractCegarLoop]: Abstraction has has 119 places, 82 transitions, 222 flow [2021-12-14 16:33:28,479 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 73.71428571428571) internal successors, (516), 7 states have internal predecessors, (516), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:33:28,479 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-14 16:33:28,479 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 16:33:28,479 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-14 16:33:28,480 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2021-12-14 16:33:28,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 16:33:28,481 INFO L85 PathProgramCache]: Analyzing trace with hash 1155989429, now seen corresponding path program 1 times [2021-12-14 16:33:28,481 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 16:33:28,481 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1013580019] [2021-12-14 16:33:28,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 16:33:28,481 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 16:33:28,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 16:33:28,635 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 16:33:28,636 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 16:33:28,637 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1013580019] [2021-12-14 16:33:28,637 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1013580019] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 16:33:28,637 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 16:33:28,637 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-14 16:33:28,638 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [18795262] [2021-12-14 16:33:28,638 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 16:33:28,638 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-14 16:33:28,638 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 16:33:28,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-14 16:33:28,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-14 16:33:28,641 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 75 out of 96 [2021-12-14 16:33:28,642 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 119 places, 82 transitions, 222 flow. Second operand has 6 states, 6 states have (on average 76.66666666666667) internal successors, (460), 6 states have internal predecessors, (460), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:33:28,642 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-14 16:33:28,642 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 75 of 96 [2021-12-14 16:33:28,642 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-14 16:33:28,850 INFO L129 PetriNetUnfolder]: 297/797 cut-off events. [2021-12-14 16:33:28,850 INFO L130 PetriNetUnfolder]: For 591/604 co-relation queries the response was YES. [2021-12-14 16:33:28,852 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1711 conditions, 797 events. 297/797 cut-off events. For 591/604 co-relation queries the response was YES. Maximal size of possible extension queue 63. Compared 4658 event pairs, 25 based on Foata normal form. 3/772 useless extension candidates. Maximal degree in co-relation 1651. Up to 151 conditions per place. [2021-12-14 16:33:28,853 INFO L132 encePairwiseOnDemand]: 87/96 looper letters, 27 selfloop transitions, 5 changer transitions 45/141 dead transitions. [2021-12-14 16:33:28,853 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 109 places, 141 transitions, 580 flow [2021-12-14 16:33:28,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-14 16:33:28,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-12-14 16:33:28,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 821 transitions. [2021-12-14 16:33:28,855 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8552083333333333 [2021-12-14 16:33:28,855 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 821 transitions. [2021-12-14 16:33:28,856 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 821 transitions. [2021-12-14 16:33:28,856 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-14 16:33:28,856 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 821 transitions. [2021-12-14 16:33:28,857 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 82.1) internal successors, (821), 10 states have internal predecessors, (821), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:33:28,859 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 96.0) internal successors, (1056), 11 states have internal predecessors, (1056), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:33:28,859 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 96.0) internal successors, (1056), 11 states have internal predecessors, (1056), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:33:28,859 INFO L186 Difference]: Start difference. First operand has 119 places, 82 transitions, 222 flow. Second operand 10 states and 821 transitions. [2021-12-14 16:33:28,860 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 109 places, 141 transitions, 580 flow [2021-12-14 16:33:28,862 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 105 places, 141 transitions, 566 flow, removed 6 selfloop flow, removed 4 redundant places. [2021-12-14 16:33:28,864 INFO L242 Difference]: Finished difference. Result has 111 places, 83 transitions, 250 flow [2021-12-14 16:33:28,864 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=96, PETRI_DIFFERENCE_MINUEND_FLOW=208, PETRI_DIFFERENCE_MINUEND_PLACES=96, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=82, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=77, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=250, PETRI_PLACES=111, PETRI_TRANSITIONS=83} [2021-12-14 16:33:28,865 INFO L334 CegarLoopForPetriNet]: 99 programPoint places, 12 predicate places. [2021-12-14 16:33:28,865 INFO L470 AbstractCegarLoop]: Abstraction has has 111 places, 83 transitions, 250 flow [2021-12-14 16:33:28,865 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 76.66666666666667) internal successors, (460), 6 states have internal predecessors, (460), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:33:28,865 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-14 16:33:28,865 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 16:33:28,866 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-14 16:33:28,866 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2021-12-14 16:33:28,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 16:33:28,866 INFO L85 PathProgramCache]: Analyzing trace with hash 483502506, now seen corresponding path program 1 times [2021-12-14 16:33:28,866 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 16:33:28,867 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1680166693] [2021-12-14 16:33:28,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 16:33:28,867 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 16:33:28,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 16:33:28,968 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 16:33:28,968 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 16:33:28,968 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1680166693] [2021-12-14 16:33:28,968 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1680166693] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 16:33:28,969 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 16:33:28,969 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-14 16:33:28,969 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2106551831] [2021-12-14 16:33:28,969 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 16:33:28,969 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-14 16:33:28,969 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 16:33:28,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-14 16:33:28,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-12-14 16:33:28,970 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 75 out of 96 [2021-12-14 16:33:28,971 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 111 places, 83 transitions, 250 flow. Second operand has 7 states, 7 states have (on average 76.85714285714286) internal successors, (538), 7 states have internal predecessors, (538), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:33:28,971 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-14 16:33:28,971 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 75 of 96 [2021-12-14 16:33:28,971 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-14 16:33:29,127 INFO L129 PetriNetUnfolder]: 61/276 cut-off events. [2021-12-14 16:33:29,128 INFO L130 PetriNetUnfolder]: For 302/302 co-relation queries the response was YES. [2021-12-14 16:33:29,129 INFO L84 FinitePrefix]: Finished finitePrefix Result has 712 conditions, 276 events. 61/276 cut-off events. For 302/302 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 1089 event pairs, 9 based on Foata normal form. 13/284 useless extension candidates. Maximal degree in co-relation 668. Up to 48 conditions per place. [2021-12-14 16:33:29,129 INFO L132 encePairwiseOnDemand]: 88/96 looper letters, 17 selfloop transitions, 7 changer transitions 22/110 dead transitions. [2021-12-14 16:33:29,130 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 114 places, 110 transitions, 477 flow [2021-12-14 16:33:29,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-14 16:33:29,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-12-14 16:33:29,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 794 transitions. [2021-12-14 16:33:29,132 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8270833333333333 [2021-12-14 16:33:29,132 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 794 transitions. [2021-12-14 16:33:29,132 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 794 transitions. [2021-12-14 16:33:29,132 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-14 16:33:29,133 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 794 transitions. [2021-12-14 16:33:29,134 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 79.4) internal successors, (794), 10 states have internal predecessors, (794), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:33:29,135 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 96.0) internal successors, (1056), 11 states have internal predecessors, (1056), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:33:29,135 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 96.0) internal successors, (1056), 11 states have internal predecessors, (1056), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:33:29,135 INFO L186 Difference]: Start difference. First operand has 111 places, 83 transitions, 250 flow. Second operand 10 states and 794 transitions. [2021-12-14 16:33:29,135 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 114 places, 110 transitions, 477 flow [2021-12-14 16:33:29,139 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 102 places, 110 transitions, 402 flow, removed 32 selfloop flow, removed 12 redundant places. [2021-12-14 16:33:29,143 INFO L242 Difference]: Finished difference. Result has 108 places, 83 transitions, 244 flow [2021-12-14 16:33:29,143 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=96, PETRI_DIFFERENCE_MINUEND_FLOW=211, PETRI_DIFFERENCE_MINUEND_PLACES=93, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=83, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=76, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=244, PETRI_PLACES=108, PETRI_TRANSITIONS=83} [2021-12-14 16:33:29,144 INFO L334 CegarLoopForPetriNet]: 99 programPoint places, 9 predicate places. [2021-12-14 16:33:29,145 INFO L470 AbstractCegarLoop]: Abstraction has has 108 places, 83 transitions, 244 flow [2021-12-14 16:33:29,145 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 76.85714285714286) internal successors, (538), 7 states have internal predecessors, (538), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:33:29,145 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-14 16:33:29,145 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 16:33:29,146 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-14 16:33:29,146 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2021-12-14 16:33:29,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 16:33:29,146 INFO L85 PathProgramCache]: Analyzing trace with hash -1745270073, now seen corresponding path program 1 times [2021-12-14 16:33:29,147 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 16:33:29,148 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1751771619] [2021-12-14 16:33:29,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 16:33:29,148 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 16:33:29,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 16:33:29,314 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 16:33:29,314 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 16:33:29,314 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1751771619] [2021-12-14 16:33:29,314 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1751771619] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 16:33:29,314 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 16:33:29,315 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-12-14 16:33:29,315 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [536130174] [2021-12-14 16:33:29,315 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 16:33:29,315 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-14 16:33:29,315 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 16:33:29,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-14 16:33:29,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-12-14 16:33:29,316 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 96 [2021-12-14 16:33:29,317 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 108 places, 83 transitions, 244 flow. Second operand has 9 states, 9 states have (on average 73.22222222222223) internal successors, (659), 9 states have internal predecessors, (659), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:33:29,317 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-14 16:33:29,317 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 96 [2021-12-14 16:33:29,317 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-14 16:33:29,455 INFO L129 PetriNetUnfolder]: 11/162 cut-off events. [2021-12-14 16:33:29,455 INFO L130 PetriNetUnfolder]: For 96/96 co-relation queries the response was YES. [2021-12-14 16:33:29,456 INFO L84 FinitePrefix]: Finished finitePrefix Result has 342 conditions, 162 events. 11/162 cut-off events. For 96/96 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 387 event pairs, 0 based on Foata normal form. 1/163 useless extension candidates. Maximal degree in co-relation 284. Up to 20 conditions per place. [2021-12-14 16:33:29,456 INFO L132 encePairwiseOnDemand]: 87/96 looper letters, 19 selfloop transitions, 4 changer transitions 11/96 dead transitions. [2021-12-14 16:33:29,456 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 113 places, 96 transitions, 352 flow [2021-12-14 16:33:29,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-14 16:33:29,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-12-14 16:33:29,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 743 transitions. [2021-12-14 16:33:29,458 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7739583333333333 [2021-12-14 16:33:29,458 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 743 transitions. [2021-12-14 16:33:29,458 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 743 transitions. [2021-12-14 16:33:29,458 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-14 16:33:29,458 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 743 transitions. [2021-12-14 16:33:29,460 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 74.3) internal successors, (743), 10 states have internal predecessors, (743), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:33:29,461 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 96.0) internal successors, (1056), 11 states have internal predecessors, (1056), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:33:29,461 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 96.0) internal successors, (1056), 11 states have internal predecessors, (1056), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:33:29,461 INFO L186 Difference]: Start difference. First operand has 108 places, 83 transitions, 244 flow. Second operand 10 states and 743 transitions. [2021-12-14 16:33:29,462 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 113 places, 96 transitions, 352 flow [2021-12-14 16:33:29,463 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 100 places, 96 transitions, 306 flow, removed 13 selfloop flow, removed 13 redundant places. [2021-12-14 16:33:29,464 INFO L242 Difference]: Finished difference. Result has 105 places, 83 transitions, 220 flow [2021-12-14 16:33:29,464 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=96, PETRI_DIFFERENCE_MINUEND_FLOW=198, PETRI_DIFFERENCE_MINUEND_PLACES=91, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=83, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=79, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=220, PETRI_PLACES=105, PETRI_TRANSITIONS=83} [2021-12-14 16:33:29,464 INFO L334 CegarLoopForPetriNet]: 99 programPoint places, 6 predicate places. [2021-12-14 16:33:29,465 INFO L470 AbstractCegarLoop]: Abstraction has has 105 places, 83 transitions, 220 flow [2021-12-14 16:33:29,465 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 73.22222222222223) internal successors, (659), 9 states have internal predecessors, (659), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:33:29,465 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-14 16:33:29,465 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 16:33:29,465 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-14 16:33:29,466 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2021-12-14 16:33:29,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 16:33:29,466 INFO L85 PathProgramCache]: Analyzing trace with hash -1265048859, now seen corresponding path program 2 times [2021-12-14 16:33:29,466 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 16:33:29,466 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1738350017] [2021-12-14 16:33:29,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 16:33:29,467 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 16:33:29,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-14 16:33:29,504 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-14 16:33:29,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-14 16:33:29,597 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-14 16:33:29,598 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-12-14 16:33:29,598 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 5 remaining) [2021-12-14 16:33:29,600 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err0ASSERT_VIOLATIONERROR_FUNCTION (3 of 5 remaining) [2021-12-14 16:33:29,600 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 5 remaining) [2021-12-14 16:33:29,600 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 5 remaining) [2021-12-14 16:33:29,600 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 5 remaining) [2021-12-14 16:33:29,600 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-14 16:33:29,602 INFO L732 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1] [2021-12-14 16:33:29,606 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-12-14 16:33:29,606 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-14 16:33:29,681 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 04:33:29 BasicIcfg [2021-12-14 16:33:29,684 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-14 16:33:29,684 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-14 16:33:29,684 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-14 16:33:29,685 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-14 16:33:29,685 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 04:33:27" (3/4) ... [2021-12-14 16:33:29,686 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-12-14 16:33:29,776 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-14 16:33:29,776 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-14 16:33:29,777 INFO L158 Benchmark]: Toolchain (without parser) took 3687.54ms. Allocated memory was 81.8MB in the beginning and 232.8MB in the end (delta: 151.0MB). Free memory was 57.2MB in the beginning and 200.7MB in the end (delta: -143.4MB). Peak memory consumption was 112.3MB. Max. memory is 16.1GB. [2021-12-14 16:33:29,777 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 81.8MB. Free memory is still 58.1MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-14 16:33:29,777 INFO L158 Benchmark]: CACSL2BoogieTranslator took 365.83ms. Allocated memory was 81.8MB in the beginning and 111.1MB in the end (delta: 29.4MB). Free memory was 57.0MB in the beginning and 74.2MB in the end (delta: -17.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-12-14 16:33:29,777 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.48ms. Allocated memory is still 111.1MB. Free memory was 74.2MB in the beginning and 71.5MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-14 16:33:29,778 INFO L158 Benchmark]: Boogie Preprocessor took 24.20ms. Allocated memory is still 111.1MB. Free memory was 71.5MB in the beginning and 69.7MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-14 16:33:29,778 INFO L158 Benchmark]: RCFGBuilder took 750.57ms. Allocated memory is still 111.1MB. Free memory was 69.7MB in the beginning and 76.8MB in the end (delta: -7.0MB). Peak memory consumption was 29.5MB. Max. memory is 16.1GB. [2021-12-14 16:33:29,778 INFO L158 Benchmark]: TraceAbstraction took 2381.50ms. Allocated memory was 111.1MB in the beginning and 186.6MB in the end (delta: 75.5MB). Free memory was 76.2MB in the beginning and 72.3MB in the end (delta: 3.8MB). Peak memory consumption was 79.7MB. Max. memory is 16.1GB. [2021-12-14 16:33:29,778 INFO L158 Benchmark]: Witness Printer took 91.79ms. Allocated memory was 186.6MB in the beginning and 232.8MB in the end (delta: 46.1MB). Free memory was 72.3MB in the beginning and 200.7MB in the end (delta: -128.3MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2021-12-14 16:33:29,780 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 81.8MB. Free memory is still 58.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 365.83ms. Allocated memory was 81.8MB in the beginning and 111.1MB in the end (delta: 29.4MB). Free memory was 57.0MB in the beginning and 74.2MB in the end (delta: -17.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.48ms. Allocated memory is still 111.1MB. Free memory was 74.2MB in the beginning and 71.5MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.20ms. Allocated memory is still 111.1MB. Free memory was 71.5MB in the beginning and 69.7MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 750.57ms. Allocated memory is still 111.1MB. Free memory was 69.7MB in the beginning and 76.8MB in the end (delta: -7.0MB). Peak memory consumption was 29.5MB. Max. memory is 16.1GB. * TraceAbstraction took 2381.50ms. Allocated memory was 111.1MB in the beginning and 186.6MB in the end (delta: 75.5MB). Free memory was 76.2MB in the beginning and 72.3MB in the end (delta: 3.8MB). Peak memory consumption was 79.7MB. Max. memory is 16.1GB. * Witness Printer took 91.79ms. Allocated memory was 186.6MB in the beginning and 232.8MB in the end (delta: 46.1MB). Free memory was 72.3MB in the beginning and 200.7MB in the end (delta: -128.3MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 18]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L708] 0 int __unbuffered_cnt = 0; VAL [__unbuffered_cnt=0] [L710] 0 int __unbuffered_p1_EAX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0] [L712] 0 int __unbuffered_p1_EBX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0] [L713] 0 _Bool main$tmp_guard0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0] [L714] 0 _Bool main$tmp_guard1; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0] [L716] 0 int x = 0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0] [L718] 0 int y = 0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0] [L719] 0 _Bool y$flush_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0] [L720] 0 int y$mem_tmp; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0] [L721] 0 _Bool y$r_buff0_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0] [L722] 0 _Bool y$r_buff0_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0] [L723] 0 _Bool y$r_buff0_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0] [L724] 0 _Bool y$r_buff1_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0] [L725] 0 _Bool y$r_buff1_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0] [L726] 0 _Bool y$r_buff1_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0] [L727] 0 _Bool y$read_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0] [L728] 0 int *y$read_delayed_var; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}] [L729] 0 int y$w_buff0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0] [L730] 0 _Bool y$w_buff0_used; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0] [L731] 0 int y$w_buff1; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0] [L732] 0 _Bool y$w_buff1_used; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L733] 0 _Bool weak$$choice0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L734] 0 _Bool weak$$choice2; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L810] 0 pthread_t t585; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, t585={5:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L811] FCALL, FORK 0 pthread_create(&t585, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t585, ((void *)0), P0, ((void *)0))=-1, t585={5:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L812] 0 pthread_t t586; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, t585={5:0}, t586={3:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L813] FCALL, FORK 0 pthread_create(&t586, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t586, ((void *)0), P1, ((void *)0))=0, t585={5:0}, t586={3:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L738] 1 y$w_buff1 = y$w_buff0 [L739] 1 y$w_buff0 = 1 [L740] 1 y$w_buff1_used = y$w_buff0_used [L741] 1 y$w_buff0_used = (_Bool)1 [L742] CALL 1 __VERIFIER_assert(!(y$w_buff1_used && y$w_buff0_used)) [L18] COND FALSE 1 !(!expression) [L742] RET 1 __VERIFIER_assert(!(y$w_buff1_used && y$w_buff0_used)) [L743] 1 y$r_buff1_thd0 = y$r_buff0_thd0 [L744] 1 y$r_buff1_thd1 = y$r_buff0_thd1 [L745] 1 y$r_buff1_thd2 = y$r_buff0_thd2 [L746] 1 y$r_buff0_thd1 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L749] 1 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L766] 2 x = 2 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L769] 2 __unbuffered_p1_EAX = x VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L772] 2 weak$$choice0 = __VERIFIER_nondet_bool() [L773] 2 weak$$choice2 = __VERIFIER_nondet_bool() [L774] 2 y$flush_delayed = weak$$choice2 [L775] 2 y$mem_tmp = y [L776] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff1) [L776] 2 y = !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff1) [L777] EXPR 2 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0)) [L777] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0) [L777] EXPR 2 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0)) [L777] 2 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0)) [L778] EXPR 2 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff1 : y$w_buff1)) [L778] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff1 : y$w_buff1) [L778] EXPR 2 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff1 : y$w_buff1)) [L778] 2 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff1 : y$w_buff1)) [L779] EXPR 2 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used)) [L779] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used) [L779] EXPR 2 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used)) [L779] 2 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used)) [L780] EXPR 2 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L780] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0) [L780] EXPR 2 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L780] 2 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L781] EXPR 2 weak$$choice2 ? y$r_buff0_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff0_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2)) [L781] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff0_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2) [L781] EXPR 2 weak$$choice2 ? y$r_buff0_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff0_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2)) [L781] 2 y$r_buff0_thd2 = weak$$choice2 ? y$r_buff0_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff0_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2)) [L782] EXPR 2 weak$$choice2 ? y$r_buff1_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L782] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0) [L782] EXPR 2 weak$$choice2 ? y$r_buff1_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L782] 2 y$r_buff1_thd2 = weak$$choice2 ? y$r_buff1_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L783] 2 __unbuffered_p1_EBX = y [L784] EXPR 2 y$flush_delayed ? y$mem_tmp : y [L784] 2 y = y$flush_delayed ? y$mem_tmp : y [L785] 2 y$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=65, weak$$choice2=0, x=2, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L788] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L788] EXPR 2 y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y [L788] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L788] 2 y = y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L789] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used [L789] 2 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used [L790] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used [L790] 2 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used [L791] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 [L791] 2 y$r_buff0_thd2 = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 [L792] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2 [L792] 2 y$r_buff1_thd2 = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2 [L752] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd1 ? y$w_buff1 : y) [L752] 1 y = y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd1 ? y$w_buff1 : y) [L753] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used [L753] 1 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used [L754] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$w_buff1_used [L754] 1 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$w_buff1_used [L755] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1 [L755] 1 y$r_buff0_thd1 = y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1 [L756] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$r_buff1_thd1 [L756] 1 y$r_buff1_thd1 = y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$r_buff1_thd1 [L759] 1 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=1, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=65, weak$$choice2=0, x=2, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L795] 2 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=2, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=65, weak$$choice2=0, x=2, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L815] 0 main$tmp_guard0 = __unbuffered_cnt == 2 VAL [__unbuffered_cnt=2, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t585={5:0}, t586={3:0}, weak$$choice0=65, weak$$choice2=0, x=2, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L817] CALL 0 assume_abort_if_not(main$tmp_guard0) [L3] COND FALSE 0 !(!cond) VAL [\old(cond)=1, __unbuffered_cnt=2, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, cond=1, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=65, weak$$choice2=0, x=2, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L817] RET 0 assume_abort_if_not(main$tmp_guard0) [L819] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L819] EXPR 0 y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y [L819] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L819] 0 y = y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L820] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L820] 0 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L821] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L821] 0 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L822] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L822] 0 y$r_buff0_thd0 = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L823] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 [L823] 0 y$r_buff1_thd0 = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 [L826] 0 main$tmp_guard1 = !(x == 2 && __unbuffered_p1_EAX == 2 && __unbuffered_p1_EBX == 0) VAL [__unbuffered_cnt=2, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t585={5:0}, t586={3:0}, weak$$choice0=65, weak$$choice2=0, x=2, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L828] CALL 0 __VERIFIER_assert(main$tmp_guard1) [L18] COND TRUE 0 !expression VAL [\old(expression)=0, \old(expression)=1, __unbuffered_cnt=2, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, expression=1, expression=0, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=65, weak$$choice2=0, x=2, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L18] 0 reach_error() VAL [\old(expression)=0, \old(expression)=1, __unbuffered_cnt=2, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, expression=1, expression=0, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=65, weak$$choice2=0, x=2, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] - UnprovableResult [Line: 18]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 813]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 811]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 115 locations, 5 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 2.2s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 197 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 197 mSDsluCounter, 193 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 326 mSDsCounter, 34 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 464 IncrementalHoareTripleChecker+Invalid, 498 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 34 mSolverCounterUnsat, 42 mSDtfsCounter, 464 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 55 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=250occurred in iteration=3, InterpolantAutomatonStates: 46, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 393 NumberOfCodeBlocks, 393 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 313 ConstructedInterpolants, 0 QuantifiedInterpolants, 1417 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2021-12-14 16:33:29,807 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE